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Screamin Eagle Street Performance Mufflers

Discussion in 'Motorcycle Tech Talk' started by profarmen, Feb 28, 2013.

  1. profarmen

    profarmen New Member

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    I was wondering if anyone knew if my Screamin Eagle Slip-on Street Performance mufflers (pt. # 80721-09) might take on a louder sound over time. I just bought a 2013 Ultra Classic and only have 350 miles on it. I like the sound of the mufflers; however, I wouldn’t mind if they were just a little bit louder!
    profarmen, Feb 28, 2013
    #1
  3. marc 55

    marc 55 Well-Known Member

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    No muffler of mine has ever changed...
    marc 55, Feb 28, 2013
    #2
  4. Red Rider

    Red Rider Well-Known Member

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    They won't get louder without modification. Note that if you do modify them it will likely reduce their performance. You'll likely need to re-map your fuel injection, too.

    :cheers:
    Red Rider, Feb 28, 2013
    #3
  5. charlie46

    charlie46 Well-Known Member

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    I have them on my '09 FLHX and they're not too loud to me,but people riding behind me say they sound great. If i'm backed up near a wall I can hear them much better and they do sound really good. When I open up the thottle I get a much louder sound. Good compromize I think. P.S. I don't have a catalytic converter.
    charlie46, Mar 1, 2013
    #4
  6. FLHTbiker

    FLHTbiker Moderator Staff Member

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    Well they are not the same muffler they were before. No they are not real loud yet like Charlie said they are not bad. Friend of mine had them and yep riding behind him I could hear them but if you want to listen to your music they are great.
    You used to be able to take them apart on the older ones and alter them. Don't think you can anymore.
    FLHTbiker, Mar 1, 2013
    #5
  7. charlie46

    charlie46 Well-Known Member

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    No you can't take them appart. It looks like you can by removing a couple of small bolts at the outlet but there's something else holding the baffle in. ' Can't figure out what.??
    charlie46, Mar 1, 2013
    #6
  8. cardboard

    cardboard Well-Known Member

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    Thats cause its in the header pipe. on the newer bikes.
    Think if I remember right on the 09 it was in the muffler.
    cardboard, Mar 1, 2013
    #7
  9. charlie46

    charlie46 Well-Known Member

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    No. No catalyst on the '09s, except in Calif.
    charlie46, Mar 1, 2013
    #8
  10. FLHTbiker

    FLHTbiker Moderator Staff Member

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    Hate to tell you this Charley but on the 09 Ultra I had there were cats in the mufflers at the header end. It was not a designated a Calif bike and dont beleave it came from Calif. I changed my mufflers out on it and put a set of Vance & Hines on and the sound was great.
    FLHTbiker, Mar 1, 2013
    #9
  11. cardboard

    cardboard Well-Known Member

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    cardboard, Mar 1, 2013
    #10
  12. charlie46

    charlie46 Well-Known Member

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    IF, a cat was in the muffler,as you say, when I changed to the S.E. mufflers they would be gone now. The video shows them in the header,ala the later models. Gonna check my stock mufflers tommorrow.
    charlie46, Mar 1, 2013
    #11
  13. FLHTbiker

    FLHTbiker Moderator Staff Member

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    Last edited: Mar 3, 2013
    FLHTbiker, Mar 1, 2013
    #12
  14. hotroadking

    hotroadking Super Moderator Staff Member

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    No cat in my 09

    Must be a left coast thing...
    hotroadking, Mar 1, 2013
    #13
  15. charlie46

    charlie46 Well-Known Member

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    Ditto
    charlie46, Mar 2, 2013
    #14
  16. ultra200922

    ultra200922 Active Member

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    No cat in my 09 FLHTCU either.
    ultra200922, Mar 3, 2013
    #15

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